<template>
    <div>
        <p>Current component: B</p>
        <span>Message is: {{ msg }}</span>
        <input v-model="msg">
    </div>
</template>

<script>

export default {
    name: 'two1', // 组件名
    data() {
        return {
            msg: ''
        };
    },


}

</script>
<style scoped>

</style>